<!-- begin sidebar -->
<style>
.card-body {
	padding: 0.5rem;
}
</style>
<div class="col-md-3">
	<div class="accordiondiv" id="accordionExample">
		<div class="card">
			<div class="card-header" id="headingOne">
				<h5 class="mb-0">
					<i class="fas fa-home fa-lg fa-fw"></i> <a href="/user/home"><button
							class="btn btn-link collapsed" type="button"
							data-toggle="collapse" data-target="#collapseOne"
							aria-expanded="true" aria-controls="collapseOne">主页</button></a>
				</h5>
			</div>
		</div>
		<div class="card">
			<div class="card-header" id="headingTwo">
				<h5 class="mb-0">
					<i class="fas fa-chalkboard-teacher fa-lg fa-fw"></i>
					<button class="btn btn-link collapsed" type="button"
						data-toggle="collapse" data-target="#collapseTwo"
						aria-expanded="false" aria-controls="collapseTwo">管理</button>
				</h5>
			</div>
			<div id="collapseTwo" class="collapse" aria-labelledby="headingTwo"
				data-parent="#accordionExample">
				<div class="card-body">
					<a class="dropdown-item" href="/manage/insert-book">导入图书信息</a>
					<a class="dropdown-item" href="/manage/lend-book">图书借阅</a>
				</div>
			</div>
		</div>
		<div class="card">
			<div class="card-header" id="headingThree">
				<h5 class="mb-0">
					<i class="fas fa-comment fa-lg fa-fw"></i>
					<button class="btn btn-link collapsed" type="button"
						data-toggle="collapse" data-target="#collapseThree"
						aria-expanded="false" aria-controls="collapseThree">元数据管理</button>
				</h5>
			</div>
			<div id="collapseThree" class="collapse"
				aria-labelledby="headingThree" data-parent="#accordionExample">
				<div class="card-body">
					<a class="dropdown-item" href="/metadata/book-list">图书元数据</a>
				</div>
			</div>
		</div>
		<div class="card">
			<div class="card-header" id="headingFour">
				<h5 class="mb-0">
					<i class="fas fa-user fa-lg fa-fw"></i>
					<button class="btn btn-link collapsed" type="button"
						data-toggle="collapse" data-target="#collapseFour"
						aria-expanded="false" aria-controls="collapseSix">我的</button>
				</h5>
			</div>
			<div id="collapseFour" class="collapse" aria-labelledby="headingFour"
				data-parent="#accordionExample">
				<div class="card-body">
					<a class="dropdown-item" href="/user/update-password">修改密码</a>
					<a class="dropdown-item" href="/user/mail-authentication">修改邮箱</a>
					<a class="dropdown-item" href="/user/signout">注销登录</a>
				</div>
			</div>
		</div>
	</div>
</div>
<!-- end sidebar -->